theorem
proved
backprop_succeeds_from_PC
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IndisputableMonolith.Complexity.SAT.Completeness on GitHub at line 208.
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205/-- PC ⇒ backpropagation succeeds (via uniqueness).
206Note: with the current abstract step semantics, uniqueness alone suffices for success.
207PC becomes relevant once a concrete BPStep is connected to semantic forcing. -/
208theorem backprop_succeeds_from_PC {n}
209 (inputs : Finset (Var n)) (aRef : Assignment n) (φ : CNF n) (H : XORSystem n)
210 (_hpc : PC inputs aRef φ H)
211 (huniq : UniqueSolutionXOR { φ := φ, H := H }) :
212 BackpropSucceeds φ H :=
213 backprop_succeeds_of_unique φ H huniq
214
215end SAT
216end Complexity
217end IndisputableMonolith